package org.exercise7.cmd;

import org.exercise7.cmd.order.Order;

/**
 * @author Stranger
 * @version 1.0
 * @description: TODO
 * @date 2022/11/28 20:14
 */
public interface Calculator {

    int calculate();

    void revoke();

    void redo();

    void setOrder(Order order);

}
